# -*- coding: utf-8 -*-

# Scrapy settings for Baidu project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://doc.scrapy.org/en/latest/topics/settings.html
#     https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://doc.scrapy.org/en/latest/topics/spider-middleware.html
# 项目名称
BOT_NAME = 'Baidu'
# 爬虫模块名称
SPIDER_MODULES = ['Baidu.spiders']
NEWSPIDER_MODULE = 'Baidu.spiders'


# 配置User-agent
USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.107 Safari/537.36'

# 爬取协议
ROBOTSTXT_OBEY = False

# 异步并发数
#CONCURRENT_REQUESTS = 32

# 批量延迟 单位是秒
#DOWNLOAD_DELAY = 3

# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16

# 是否携带cookie
#COOKIES_ENABLED = False

# 远程
#TELNETCONSOLE_ENABLED = False

# 默认请求头
#DEFAULT_REQUEST_HEADERS = {
#   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
#   'Accept-Language': 'en',
#}

# 爬虫中间件
#SPIDER_MIDDLEWARES = {
#    'Baidu.middlewares.BaiduSpiderMiddleware': 543,
#}

# 下载中间件
#DOWNLOADER_MIDDLEWARES = {
#    'Baidu.middlewares.BaiduDownloaderMiddleware': 543,
#}

# 扩展件
#EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
#}

# 管道
ITEM_PIPELINES = {
   'Baidu.pipelines.BaiduPipeline': 300,
}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://doc.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = 'httpcache'
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'
